2004 Oldsmobile alero 4 cylinder
My car was misfiring and running. so I did a tune
up. Now it starts but will not stay running but it
does turn on and then looses rpm after about 40
seconds and dies. Help someone please.
First I would verify proper fuel pressure at the fuel rail, if ok, could be a bad IAC valve ( idle air control) it regulates the intake air to throttle body for proper idle. Lastly, could be the Mass Airflow Sensor. Hope you find the problem.
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